PIEZO FILTERS
CERAMIC DISCRIMINATORS
FOR QUADRATURE DETECTION
CDA MC/ME 4.5–6.5MHz
The CDA MC/ME lines of ceramic discriminators are IC
dependent devices used in the recovery of audio signals.
The CDA MC discriminators have three terminals while
the CDA ME discriminators are 2 terminal devices.
MATCHING IC
Part Number
CDA MC10
CDA MC15
CDA MC16
CDA MC17
CDA MC18
CDA MC19
CDA MC20
CDA MC21
DIMENSIONS: mm
CDA MC 4.5 – 6.5MHz
IC
TBA120T
TA7146P
TDA4940
TDA4280
HA11229
PC1391H
PC1382C
PC1383C
Part Number
CDA MC22
CDA MC23
CDA MC24B
CDA MC25
CDA MC26
CDA MC27
CDA MC28
CDA MC29
CIRCUIT
CDA 4.5 MC20
(2)
7.5
CDA
4.5MC
M
IC
M51354AP
M51316P
LA7520
LA7521
LA7530 (N)
PC1411CA
M51316BP
M51365SP
Part Number
CDA MC30
CDA MC31
CDA MC32
CDA MC33
CDA MC34
CDA MC35
IC
M51348FP
TDA4282T
LA7522
PC1416G
TBA130-2
M51345FP
PIEZO FILTERS
Indicates frequency 4.5, 5.5, 5.74, 6.0, 6.5 MHz are available.
Note that part numbers, circuits and ratings vary according to the IC used at detector process.
RECOVERED AUDIO CHARACTERISTICS
CDA 4.5 MC20
300
100
AF Output (mV)
DC Output
AF Output
10
Distortion (%)
47 /25V
9.0
.01
S.S.G.
.01
(FM-AM 50
Rg=50)
.01
(3)
470
(1)
220
0.6
2.5
5.0
2.5
4.0 max.
47k 10k
47k 10 16V
9 10 3
14 6 11
AF Output
IC: PC1382C(NEC) .01
13 7 8 4 12
1
DC Supply
.01
12.0V
47 25V
10
1.0
Distortion
1
0.1
10 /16V
4.4
(1)=INPUT
(2)=GROUND
(3)=OUTPUT
4.5
4.6
Frequency (MHz)
: EIA-J Date Code
Test Conditions= 100 dBV
400 H
2
, ± 7.5kH
2
Dev.
MATCHING IC
Part Number
CDA ME1
CDA ME2
CDA ME3
CDA ME5
CDA ME6
CDA ME7
DIMENSIONS: mm
CDA ME 4.5 – 6.5MHz
IC
CX-20014
AN5135
TA7678AP
AN5135NK
M51346AP
TDA4503
Part Number
CDA ME8
CDA ME10
CDA ME19
CDA ME20
CDA ME21
CDA ME22
IC
TBA129
TDA2546A
M51346BP
LA7550
LA7545
TDA2556
CIRCUIT
FM S.S.G.
Signal Input
10.0
D4.5Z
M
Part Number
CDA ME23
CDA ME27
CDA ME30
CDA ME34
CDA ME35
CDA ME37
IC
M51496P
LA7650
CXA1110AS
TA8680N
LA7680
TA8691N
Indicates frequency 4.5, 5.5, 5.74, 6.0, 6.5 MHz are available.
Note that part numbers, circuits and ratings vary according to the IC used at detector process.
CDA 4.5 ME20
Voltage Supply
+12.0VDC
+5.0VDC
20 19 18 17
6
7 8
9
0.01
0.01
0.01
Ground
15 14 1 3
11 12
0.01
10.0
24
0.01
0.01
820
0.6
5.0
5.0
5.6k
5.0 max.
0.015
1 2
LA7550
22
0.01
100
0.01
CDA4.5ME20
: EIA-J Date Code
Voltmeter
Recovered
Audio Signal
CG01-I
461
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